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Published on 12 Aug 2012 | over 4 years ago

My "run a energy safing bulb on 1 battery and a 2 transistor inverter" experiment was a bit of a failure. It did blink but I guess 9 Volt wasn't enough to make it work.

For this project, I used one inverter transformer and a CCFL (cold-cathode fluorescent lamp) from an old LCD monitor.

The 2 transistors are NPN, type BD737 from a (very old) old cassette player.
The 2 resistors are 82 Ohm (grey-red-black) and 1/4th Watt.
I think almost any NPN transistor in this package should do the job.
It has a BCE pin-out.

On a full 9 volt battery, I got around 750Volt but the battery was draining fast.

For the schematic diagram I used this one:

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